Reinforcement bar support chair



FIG. 1 is a left side, top and partial front perspective view of a reinforcement bar support chair showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a left side elevational view thereof, the side opposite being a mirror image. 

The ornamental design for a reinforcement bar support chair, substantially as shown and described. 